Klee's servant. Has a one-sided crush on Klee. Uses invisibility. Dark Servant. Gender: Male

Im Bi's master. Has a one-sided crush on Im Bi. Like Im Bi, she uses invisibility. Dark Servant. Gender: Female

Purin's servant. Physical abilities increase the more coffee he drinks. Dark Servant. Gender: Male

Lloyd's master. Physical abilities increase when drinking coffee with Lloyd. Dark Servant. Gender: Male

An ordinary person. White Servant. Gender: Male

Bang Guseok's servant. Cannot fight without the Guljjugi Suit. Suits consist of Unit 1, Unit 2, and Unit 3. White Servant. Gender: Male

Bang Guseok's servant. Fights using the ponytail on her hair. White Servant. Gender: Female